1. add or subtract. show your work

a. (-2x^2-4x+13)+(12x^2+2x-25)

b. (7x^2+4x--3x+15)

2. find the roots. list your steps correctly.

f(n)=n^2-6n-16

Choosing a booth location: your manager is sending two people to work at the conference. she wants a booth that will give your company good visibility for no more than 35% of the total budget ($3000). the conference coordinator just told you there are only five booths left. which booth will you choose? write the inequality that shows how much money you can spend on the booth simplify the inequality that shows how much money you can spend on the booth.

Given right triangle xyz, which correctly describes the locations of the sides in relation to

Jane has 5 nickels.john has 3 dimes.jane says she has a greater amount of money.with the information given,is she correct?